Aircraft seat



FIG. 1 is a top plan view of an aircraft seat embodying the design;

FIG. 2 is a front perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a bottom rear perspective view thereof;

FIG. 5 is a front view thereof;

FIG. 6 is a left side view thereof; and,

FIG. 7 is a right side view thereof. 

I claim the ornamental design for an aircraft seat, as shown. 